Answer:
A hydrogen atom is an atom of the chemical element hydrogen.Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei.
Explanation:
Most genes contain the information needed to make functional molecules called proteins. this is the answer on APEX
It depends on your teacher, it should be A. It could be B if that’s what your teacher wants but I would go with A.
Answer:
The necessary structure for asexual reproduction
Explanation:
Fossils give information about the time period in which organisms lived in the past.
